Stars Attend U.S. Open (PICS)
Celebrities hit up the U.S. Open this week, watching tennis star such as Rafael Nadal and Serena Williams compete in the tournament.
Olivia Wilde, Jason Sudeikis, Debra Messing, Anna Wintour and more celebs attended the Moet party and watched the matches from the V.I.P. section.
Check out the photos below!
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